Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
communication 3.3 » communication _, communication a, communication 1
technologies tax » technologies a, technologies box, technologies can
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
tax information » 2 information, 1 information
4 communication » 3 communication, 5.4 communication, de communication
money 4 » money _, money a
3.3 au » 3.3 auf, 3.3 ad, 3.3 ai

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies tax information costs money 4 communication 3.3 au developpement en afrique.*.